Which of the following must be true if good X is a normal good and income increases?

A surplus of wheat:

Ceteris paribus, which of the following would cause a decrease in the demand for HDTVs, a normal good?

Suppose the president of a textbook publisher argues that a 10 percent increase in the price of textbooks will raise total revenue for the publisher. It can be concluded that the company president thinks that demand for textbooks is:

Ceteris paribus, if consumer tastes change so that more people are eating broccoli, then what will happen to the market equilibrium for cabbage, a substitute good for broccoli?

How would a decrease in the price of the feed grains used to feed cattle affect the market for beef?

If Valentina’s marginal utility of her 100th dollar of income is greater than Bautista’s marginal utility of his 10th dollar, then we can conclude:

In the long run, firms in many industries often experience a falling average total cost curve as a result of:

The positive externality associated with education is:

If the value of the price elasticity of demand is 0.2, this means that: